Questions tagged [cinterop]
29 questions
0
votes
1 answer
Pass value from Kotlin/native to C
How do I pass a value from Kotlin to C as an int* and receive the written value? The C function looks like this:
int readValue(long param, int *value);
The return value is just 1 or 0 indicating success or failure. The actual value that was read is…
digory doo
- 1,978
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0
votes
0 answers
Is it possible to use C code with cinterop in a Kotlin/Native Apple framework?
The goal is to use a C library in iOS trough Kotlin/Native.
Is this possible?
Thank you.
Jørgen Svennevik Notland
- 462
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0
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How to store C++ objects in C structs?
I have a C++ API that is exposed to other languages via C API.
Suppose there is this C struct the array of which needs to be exposed via C API.
struct SomeCStruct {
// C compatible types
int i;
bool b;
...
}
In C++ world it has associated…
user1668604
- 431
- 2
- 11
0
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2 answers
Kotlin multiplatform project depending on another one with cocoapods
I have a kotlin multipltform library which has several cocoapods
cocoapods {
....
pod("gRPC/GRPCCore", grpcVersion)
pod("gRPC-ProtoRPC", grpcVersion)
pod("Protobuf", "3.15.8")
// etc
}
I published this library to artifactory…
Maurycy
- 3,911
- 8
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0
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1 answer
cinterop process finished with non-zero exit value 1
I am experimenting with kotlin multiplatform in this chess app. I have c++ code for the chess engines in the app. For each engine, I want to create a kmm module. Since kotlin native does not yet interop with c++, I have to create wrappers around the…
nwagu
- 532
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- 17
0
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0 answers
Kotlin-Native CompileKotlinIos task fails beacuse Cinterop task can not update when I change Objective-C code
@Kevin Galligan My company has a iOS project using Kotlin-Native, and I add a cinterop to the project like this in build.gradle.kts:
val CommonInterop by cinterops.creating {
defFile(project.file("${commonBridgePath}/CommonBridge.def"))
…
yuzhiyun
- 41
- 3
0
votes
1 answer
How to install cinterop tool in Windows/Ubuntu
I am following this tutoriel to use C library in Kotlin (Android Studio) https://jonnyzzz.com/blog/2018/05/28/minimalistic-kn/ But I can’t find the how to install/download the cinterop tool both in Windows and Ubuntu I have the error “cinterop:…
0
votes
0 answers
C API for a Swift framework – always exposed?
I am building a iOS SDK in Swift 5.3, and I define all classes (except the documented API) as internal (i.e. using the default access wherever I cannot use private). The SDK is distributed as a cocoapod dynamic framework. So far so good.
My SDK has…
Alex Cohn
- 56,089
- 9
- 113
- 307
0
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1 answer
How to create CPointer of primitive data type in Kotlin/Native?
Allocating and obtaining a pointer of a struct is quite simple:
memScoped {
val str: StructType = alloc()
val strPtr: CPointer = str.ptr
}
But I'm struggling to allocate or get pointer of the Int, UInt, Long, ULong…
Animesh Sahu
- 7,445
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0
votes
1 answer
Can't create the OSLog activity on Swift
I want to use the OSLog activities to structure my logs but I stuck with a problem of absence needed activity constants on Swift such as OS_ACTIVITY_CURRENT and OS_ACTIVITY_NONE and I have an error when I try to create an activity:
let activity =…
iUrii
- 11,742
- 1
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- 48
0
votes
1 answer
Why can't I import Glibc in a Swift Jupyter Notebook?
When I execute:
import Glibc
as the first line in my notebook running on a fresh Ubuntu 18.04 GCE VM, I get the following error message:
expression failed to parse, unknown error
saeta
- 639
- 4
- 8
0
votes
1 answer
kotlin native cinterop add linkerOpts of source code
I add one header file and its source to my xcode project.
For example , AddToo.h
@interface AddTool : NSObject
-(NSString*) test:(NSString*) string;
@end
And the follow is source code
@implementation AddTool
-(NSString*) test:(NSString*) string…
Liu Tom
- 397
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- 9
0
votes
0 answers
DWARF error: mangled line number section when trying to include secext.h in Kotlin/Native cinterop
I tried including secext.h winapi header in Kotlin/Native cinterop using Gradle:
build.gradle:
// ...
kotlin {
mingwX64("windows") {
compilations.main {
cinterops {
secext {
packageName…
TheChilliPL
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0
votes
1 answer
Kotlin/Native cinterop: compilerOpts inside .def file vs compilerOpts inside gradle
In documentation of cinterop for Kotlin/Native, you have to define a .def file such as:
language = Objective-C
modules = FirebaseCore
compilerOpts = -framework FirebaseCore
linkerOpts = -framework FirebaseCore
Now you could also specify a…
Archie G. Quiñones
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